Autopilot Operation
SkyView HDX Pilot’s User Guide – Revision B 8-19
NOSE UP/DOWN will be unavailable and grayed-out if the active mode is not VS, IAS or Altitude
Hold.
Expert Autopilot Menu Annunciation
Most of the mode control buttons on the AUTOPILOT control panel have a color-coded bar
enunciator across the top of the bottom. The color of that bar on each button indicates current
state of the autopilot servos, flight director, active modes and armed modes.
• A solid green background indicates that a mode is active and the autopilot is providing
guidance to the Flight Director. If the AP control is green, the servos are engaged and
actively controlling the aircraft.
• A solid light gray background indicates that a mode is armed and will become active
when the autopilot detects the capture criteria for the armed mode have been met.
• A black background indicates that the mode or function is off.
The following figure illustrates each of these mode enunciations on the AUTOPILOT control
panel. In this example, the Flight Director is on, the both pitch and roll servos are engaged (AP
is ON), the NAV mode is controlling the roll axis, ALT HOLD mode is controlling the pitch axis,
VNAV mode is armed in preparation for intercepting a vertical course, and the HDG, VS and IAS
modes are disengaged.
Engaging the Autopilot
Engaging the autopilot with the expert controls preserves the current roll and pitch state of the
aircraft thereby providing you with the opportunity to command the autopilot without
unexpected deviations. With the default modes of the autopilot being roll hold and vertical
speed hold upon activation the aircraft continues its current attitude.
The following table describes the activation of the autopilot modes on an initial press of an
autopilot control, assuming no modes were previously activated:
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